Fatal error: Uncaught Error: Class "Aws\AwsClient" not found in /home/oyaagyug/public_html/vendor/aws/aws-sdk-php/src/AppSync/AppSyncClient.php:91 Stack trace: #0 {main} thrown in /home/oyaagyug/public_html/vendor/aws/aws-sdk-php/src/AppSync/AppSyncClient.php on line 91